54918564 has 24 divisors (see below), whose sum is σ = 128714208. Its totient is φ = 18224640.

The previous prime is 54918541. The next prime is 54918581. The reversal of 54918564 is 46581945.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7357 + ... + 12804.

It is an arithmetic number, because the mean of its divisors is an integer number (5363092).

Almost surely, 2^54918564 is an apocalyptic number.

It is an amenable number.

54918564 is an abundant number, since it is smaller than the sum of its proper divisors (73795644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54918564 is a wasteful number, since it uses less digits than its factorization.

54918564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20395 (or 20393 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The square root of 54918564 is about 7410.7060392381. The cubic root of 54918564 is about 380.1074580677.

The spelling of 54918564 in words is "fifty-four million, nine hundred eighteen thousand, five hundred sixty-four".